rsAllocation.h revision fb6b614bcea88a587a7ea4530be45ff0ffa0210e
1/* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_STRUCTURED_ALLOCATION_H 18#define ANDROID_STRUCTURED_ALLOCATION_H 19 20#include "rsType.h" 21 22// --------------------------------------------------------------------------- 23namespace android { 24namespace renderscript { 25 26class Program; 27 28class Allocation : public ObjectBase 29{ 30 // The graphics equilivent of malloc. The allocation contains a structure of elements. 31 32public: 33 // By policy this allocation will hold a pointer to the type 34 // but will not destroy it on destruction. 35 Allocation(Context *rsc, const Type *); 36 Allocation(Context *rsc, const Type *, void *bmp, void *callbackData, RsBitmapCallback_t callback); 37 38 virtual ~Allocation(); 39 40 void setCpuWritable(bool); 41 void setGpuWritable(bool); 42 void setCpuReadable(bool); 43 void setGpuReadable(bool); 44 45 bool fixAllocation(); 46 47 void * getPtr() const {return mPtr;} 48 const Type * getType() const {return mType.get();} 49 50 void deferedUploadToTexture(const Context *rsc, bool genMipmap, uint32_t lodOffset); 51 void uploadToTexture(const Context *rsc); 52 uint32_t getTextureID() const {return mTextureID;} 53 54 void deferedUploadToBufferObject(const Context *rsc); 55 void uploadToBufferObject(const Context *rsc); 56 uint32_t getBufferObjectID() const {return mBufferID;} 57 58 59 void data(const void *data, uint32_t sizeBytes); 60 void subData(uint32_t xoff, uint32_t count, const void *data, uint32_t sizeBytes); 61 void subData(uint32_t xoff, uint32_t yoff, 62 uint32_t w, uint32_t h, const void *data, uint32_t sizeBytes); 63 void subData(uint32_t xoff, uint32_t yoff, uint32_t zoff, 64 uint32_t w, uint32_t h, uint32_t d, const void *data, uint32_t sizeBytes); 65 66 void read(void *data); 67 68 void enableGLVertexBuffers() const; 69 void setupGLIndexBuffers() const; 70 71 void addProgramToDirty(const Program *); 72 void removeProgramToDirty(const Program *); 73 74 virtual void dumpLOGV(const char *prefix) const; 75 virtual void serialize(OStream *stream) const; 76 virtual A3DClassID getClassId() const { return A3D_CLASS_ID_ALLOCATION; } 77 static Allocation *createFromStream(Context *rsc, IStream *stream); 78 79 virtual void uploadCheck(const Context *rsc); 80 81protected: 82 void sendDirty() const; 83 84 ObjectBaseRef<const Type> mType; 85 void * mPtr; 86 87 Vector<const Program *> mToDirtyList; 88 89 // Is we have a non-null user bitmap callback we do not own the bits and 90 // instead call this function to free the memort when its time. 91 RsBitmapCallback_t mUserBitmapCallback; 92 void *mUserBitmapCallbackData; 93 94 // Usage restrictions 95 bool mCpuWrite; 96 bool mCpuRead; 97 bool mGpuWrite; 98 bool mGpuRead; 99 100 // more usage hint data from the application 101 // which can be used by a driver to pick the best memory type. 102 // Likely ignored for now 103 float mReadWriteRatio; 104 float mUpdateSize; 105 106 107 // Is this a legal structure to be used as a texture source. 108 // Initially this will require 1D or 2D and color data 109 bool mIsTexture; 110 bool mTextureGenMipmap; 111 uint32_t mTextureLOD; 112 uint32_t mTextureID; 113 114 // Is this a legal structure to be used as a vertex source. 115 // Initially this will require 1D and x(yzw). Additional per element data 116 // is allowed. 117 bool mIsVertexBuffer; 118 uint32_t mBufferID; 119 120 bool mUploadDefered; 121 122private: 123 void init(Context *rsc, const Type *); 124 125}; 126 127} 128} 129#endif 130 131